1. Japan Nuclear Cycle Development Institute O-arai Engineering Center, 4002 Narita, O-arai Higashiibaraki-gun, Ibaraki 311-1393, Japan
2. The Japan Atomic Power Company, Ltd. 1-1, Kandamitoshiro-cho, Chiyoda-ku 101-0053, Japan
3. Mitsubishi Heavy Industries, Ltd. 3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama 220-8401, Japan